On 05/05/2014 10:52 AM, Diwakar Sharma (RBEI/ECF3) wrote:
> Hi,
Hi!
>
> I was getting the max_map_count test failed. It looked to me failing at
> filter_map function. The platform I'm working on is an i686 architecture
> running on Virtualbox.
> I added below additional macro condition and it's passing now. I want to
> understand if not including i686/386 was intentional originally for some
> reason? Also vdso part I added additionaly.
>
> #elif defined(__i686__) || defined(__i386__)
> static int filter_map(char *line)
> {
> char buf[BUFSIZ];
> int ret;
>
> ret = sscanf(line, "%*p-%*p %*4s %*p %*2d:%*2d %*d %s", buf);
> if (ret != 1)
> return 0;
>
> return ((strcmp(buf, "[vdso]") == 0) | (strcmp(buf, "[vsyscall]") ==
> 0));
> }
>
>
> On another similar architecture (but the actual h/w board), the same code
> gives messages like "4096 map entries in total, but expected 4096 entries"
> and reported FAIL, implying map_count and max_maps is same ( Contrary to
> map_count==max_maps+1 ). How do we analyze this scenario? Does this mean it
> is not exceeding by one for sysctl setting? How to verify that.
>
Which kernel version do you use? I want to check this test case in my
environment.
Thanks.
PS: Also look at this thread
http://sourceforge.net/p/ltp/mailman/ltp-list/thread/52009D26.4030609%40oracle.com/
>
> Thanks and Regards
> Diwakar Sharma
>
>
>
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